The story
- Proto-Indo-European*h₁én
- Proto-Italic*en
- Proto-Italic*en-
- Latinin-
- Proto-Indo-European*bʰel-
- Proto-Italic*flagmā
- Latinflamma
- Latinflammō
- Latinīnflammō
- Latinīnflammātōrius
- English todayinflammatory
Derived from Latin īnflammātōrius. By surface analysis, inflammate + -ory.
Etymology from Wiktionary, CC BY-SA 4.0.